[Cryptography Team] requesting some guidance

[Robert Withers]

It's been suggesting to combine crypto plugins into one plugin. I'm 
researching and a few questions arose:

1) are plugins supposed to be thread-safe? Some plugins have state 
modified by its primitives (DESPlugin, DSAPlugin)

2) some are subclassing InterpretedPlugin and some are subclassing 
SmartSyntaxInterpreterPlugin. Which should the combined CryptoPlugin 
subclass, preferably?  Either way, there is rewriting needed.

3) should we have 2 plugins (SmartCryptoPlugin and CryptoPlugin) 
initially, then rewrite?

I appreciate,
Robert